Patents by Inventor Alexandr I. Yakunin

Alexandr I. Yakunin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Gravity concentrator having secondary wash of heavy fraction
    Patent number: 4994176
    Abstract: A concentrator has an inclined hollow casing and a separating chamber communicating therewith having a pipe for supplying a material being handled, a pipe for discharging heavy fraction of the material being handled and a first pipe for supplying a separating fluid. A second pipe for supplying the separating fluid connects to the pipe for discharging heavy fraction.
    Type: Grant
    Filed: April 19, 1989
    Date of Patent: February 19, 1991
    Inventors: Alexandr I. Yakunin, Boris V. Pilat, Edil K. Galimzhanov
  • Gravity concentrator
    Patent number: 4950389
    Abstract: A gravity concentrator has a casing provided with at least one diaphragm connected to a drive for initiating pulsations in the casing which has pipes for supplying a material being treated and separating fluid and pipes for discharging heavy and light fractions of the material being treated.
    Type: Grant
    Filed: April 12, 1989
    Date of Patent: August 21, 1990
    Inventors: Boris V. Pilat, Alexandr I. Yakunin, Edil K. Galimzhanov